Riyad as-SalihinChapter 8Hadith 571
Full Sharh — Riyad as-Salihin 571
وعن أبي قتادة رضي الله عنه قال: سئل رسول الله صلى الله عليه وسلم: عن صوم يوم عرفة؟ قال: "يكفر السنة الماضية والباقية" ((رواه مسلم)).
English Translation
Abu Qatadah (May Allah be pleased with him) reported:: The Messenger of Allah (ﷺ) was asked about the observance of Saum (fasting) on the day of 'Arafah. He said, "It is an expiation for the sins of the preceding year and the current year.".
Source
Riyad as-Salihin(رياض الصالحين)
The Book of Virtues
Hadith Number
571